A letter from former administrators, astronauts, and engineers at NASA expressing climate change scepticism does not deserve parity with the agency's peer-reviewed climate scientists

Almost exactly two years ago, John Cook wrote about the 5 characteristics of science denialism. The second point on the list involved fake experts.

"These are individuals purporting to be experts but whose views are inconsistent with established knowledge. Fake experts have been used extensively by the tobacco industry who developed a strategy to recruit scientists who would counteract the growing evidence on the harmful effects of second-hand smoke."

Click source to read FULL report from Dana Nuccitelli at the "Unreliable" (re WUWT classification) SkepticalScience.com site who quotes John Cook and not much else